Add admin DICOM export controls

PACS_DICOM处理/数据处理网页端/static/index.html

@@ -63,6 +63,11 @@
             <button data-study-part-filter="lower_abdomen">下腹部</button>
             <button data-study-part-filter="pelvis">盆腔</button>
           </div>
+          <div id="exportToolbar" class="export-toolbar hidden">
+            <button id="toggleExportMode" type="button">批量导出</button>
+            <button id="exportSelected" type="button" disabled>导出所选</button>
+            <span id="exportSelectionCount">0 个</span>
+          </div>
           <input id="studySearch" class="search" placeholder="搜索检查号 / 姓名" />
           <div id="studyList" class="study-list"></div>
         </aside>